diff --git a/network/slack/slack.SlackBuild b/network/slack/slack.SlackBuild
index 25304fd5e9..2e92faf87d 100644
--- a/network/slack/slack.SlackBuild
+++ b/network/slack/slack.SlackBuild
@@ -93,6 +93,10 @@ mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/
 cp -a $PKG/usr/lib/slack/LICENSE $PKG/usr/doc/$PRGNAM-$VERSION/
 cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
 
+if [ "$ARCH" = "x86_64" ]; then
+   mv $PKG/usr/lib $PKG/usr/lib64
+fi
+
 mkdir -p $PKG/install
 cat $CWD/slack-desc > $PKG/install/slack-desc
 cat $CWD/doinst.sh > $PKG/install/doinst.sh